3 Inch Bulkhead Fitting

Manufacturer Part

Retainer ring incorporated into the fitting body that prevents the gasket from moving away from the fitting under torque. External threads are left hand pitch to prevent loosening when mating fittings are installed.

Accuracy of the images may vary. Refer to the specifications table to ensure precision.


  • Internal threads are 3” FPT (tapered female pipe threads), and are provided in both directions so that mating fittings may be installed on the inside or outside of the installed fitting.
  • Fitting requires a 4-1/2” diameter hole for installation.
  • Color of all assembly parts is black
  • Fitting body, fitting nut and fitting bearing washer are constructed out of 20% glass filled Polypropylene.
  • Gasket constructed out of Santoprene thermoplastic rubber (TPE)
Technical Drawings
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Key Specs
Length 6"
Width 4"
Height 4"
Weight 1lbs
Manufacturer Ace Roto-Mold
Manufacturer Part Number 12528
Shipping Height 8"
Shipping Length 8"
Shipping Weight 1lbs
Shipping Width 8"
Ship Class UPS
NMFC Code 95190-02